Molecular Transistor operating by Resonant-Tunneling

分子电子器件作为下一代晶体管的研究热点之一，一直受到学术界的广泛关注。特别是，在室温下稳定工作的分子电子器件一直被认为是一个巨大的挑战。在这项研究中，我们提出了证明RT可操作的单分子共振隧穿晶体管通过使用醌型稠合低聚硅杂环衍生物。在这里，我们尝试在纳米间隙电极之间桥接单个分子，以最小化室温下的热波动，并具有高的隧穿电流和低的隧穿电阻。最后，我们实现了RT可操作的高开/关电流比桥式单分子共振隧穿晶体管。

Molecular electronic devices have been intensively studied as one of the promising the next-generation transistors in the academia. Especially, stably operable molecular electronic devices at room temperature (RT) have been considered as big challenge yet. In this study, we proposed to demonstrate RT operable single molecular resonant-tunneling transistor by using quinoidal fused oligosilole derivative. Here, we tried to bridge the single molecular between nanogap electrodes to minimize thermal fluctuation at room temperature and to have high on tunneling current with low tunneling resistance. Finally, we achieved RT operable bridged single molecular resonant-tunneling transistors with high on/off current ratio.